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Skylight |
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skylightRoof opening covered with translucent or transparent glass or plastic designed to admit daylight. Skylights have found wide application admitting steady, even light in industrial, commercial, and residential buildings, especially those with a northern orientation. Installations range from purely functional daylighting to elaborate aesthetic forms. Flat-roofed buildings may have domed skylights; in others the skylight follows the slope of the roof. Often the skylight, or a portion of it, functions as an operating window to admit air. skylight [′skī‚līt] (astrophysics) (engineering) An opening in a roof or ship deck that is covered with glass or plastic and designed to admit daylight. skylight skylight Skylight (1) A usually round or polygonal structure with large window openings, situated atop a cupola or other type of roof and designed to provide illumination of the structure. (2) A glassed-in section of a roof, designed to provide overhead illumination. (3) A roof section in an industrial building, usually in the form of a superstructure with openings, designed to provide natural illumination and/or ventilation of the premises. Most skylights are rectangular in shape, but trapezoidal, gabled, triangular, and other designs are also used. Those providing illumination only or both illumination and ventilation feature casements with single or double windowpanes. If the skylight is not intended to provide ventilation, the casements are usually not designed to be opened; otherwise, remote-control mechanisms are used to open and close the casements. In addition to conventional skylight designs, commercial buildings are often equipped with overhead, chimney-like structures, the upper openings of which are approximately flush with the roof. This type of skylight has a support section mounted on a roofing slab or beam and a transparent or translucent cover in the form of a panel, dome, or arch. The cover may be made of plate or shaped glass, poly methyl methacrylate (organic glass), insulation glass units, or polyester fiber glass. Ventilation skylights are used mainly in buildings where considerable amounts of heat, gas, and dust are generated. They are usually equipped with wind-protection panels and sheet-steel casements that open and close. REFERENCESDrozdov, V. A. Fonari i okna promyshlennykh zdanii. Moscow, 1972.Konstruktsii promyshlennykh zdanii. Edited by A. N. Popov. Moscow, 1972. IU. P. ALEKSANDROV How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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No references found | Then Clara, the coloured maid, would escort you up the carpeted ladder that served for the fourth flight, and show you the Skylight Room. Now and again their faces became white, as the lightning flashed, and finally a terrific crash came, making the panes of the skylight lift at the joints. A Roman gentleman stood by his side and explained to him the skilful construction and ingenuity of the vast fabric and its wonderful architecture, and when they had left the skylight he said to the emperor, 'A thousand times, your Sacred Majesty, the impulse came upon me to seize your Majesty in my arms and fling myself down from yonder skylight, so as to leave behind me in the world a name that would last for ever. |
Skylight |
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